Subtract 16/54 from 15/84
15/84 - 16/54 is -89/756.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 54 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 84 × 9 = 756,
15/84 = 15 × 9/84 × 9 = 135/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
16/54 = 16 × 14/54 × 14 = 224/756 - Subtract the two like fractions:
135/756 - 224/756 = 135 - 224/756 = -89/756
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